Vascularization of Nanohydroxyapatite/Collagen/Poly(L-lactic acid) Composites by Implanting Intramuscularly In Vivo

Figure 3

Hematoxylin and eosin (H & E) staining of specimens (magnification ×400): (a) 2 weeks, (b) 6 weeks, and (c) 10 weeks.

(a)

(b)

(c)